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Sewage treatment method and device based on hydrate water vapor adsorption method

A sewage treatment device and hydrate technology, which are applied in the field of sewage treatment methods and devices based on a hydrate water vapor adsorption method, can solve the problems of secondary pollution cost, high energy and low efficiency, and high energy consumption, and achieve the reduction of sewage treatment costs, Improve processing economy and overcome the effect of high energy consumption

Active Publication Date: 2022-08-02
DALIAN UNIV OF TECH
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  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the problems of high energy consumption, secondary pollution and high cost in traditional sewage treatment technology, the purpose of this invention is to propose a hydrate-based water vapor adsorption The sewage treatment method and device of the method effectively solve the problem of high energy and low efficiency in traditional sewage treatment, realize continuous sewage treatment, and improve production efficiency. The gas hydration agent used can be recycled after being collected and purified, reducing the cost of sewage treatment. The specific technical plan for:

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  • Sewage treatment method and device based on hydrate water vapor adsorption method

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Embodiment 1

[0032] A sewage treatment system based on a hydrate water vapor adsorption method includes a sewage evaporation area, a hydrate generation area, a hydrate decomposition area, and a data acquisition and control system:

[0033] The sewage evaporation zone includes the reactor body 5, the magnetic stirrer 6, the second one-way valve 7-2, the third one-way valve 7-3, the waste liquid tank 11, the water pump 12 and the sewage storage tank 13. The sewage storage tank 13 is connected with the reactor body 5 through the third one-way valve 7-3 and the water pump 12; the reactor body is equipped with a magnetic stirrer 6, and the bottom is connected to the waste water through the second one-way valve 7-2. The liquid tank 11 is connected;

[0034] The hydrate generation area includes a motor 1, a telescopic rod 2, a scraper 3, a cooling coil 4, a second pressure reducing valve 9-2, a gas cylinder 14, a pressure sensor 15 and a temperature sensor 16. The motor 1 is installed Inside the...

Embodiment 2

[0043] This embodiment adopts the method of the sewage treatment system based on the hydrate water vapor adsorption method, and its steps are as follows:

[0044] Turn on the water pump 12 and the third one-way valve 7-3, the sewage stored in the sewage storage tank 13 is the complex waste water containing inorganic salts and organic pollutants discharged from the petroleum refinery, the total organic carbon content is 187.7mg / L, the sodium The ion concentration is 2248.0 mg / L, and the wastewater from the petroleum industry is transported to the reactor body 5 through the pump 12. The temperature of the wastewater is 25°C, the flow rate of the wastewater is 2.0 m / s, and the transport volume of the wastewater is 70% of the volume of the wastewater evaporation area of ​​the reactor body 5. After the water intake is completed, close the water pump 12 and the third one-way valve 7-3; open the second pressure reducing valve 9-2, select propane as the gas hydrating agent, and the hig...

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Abstract

The invention belongs to the technical field of sewage treatment, and provides a sewage treatment method and device based on a hydrate water vapor adsorption method, and the device comprises a sewage evaporation area, a hydrate generation area, a hydrate decomposition area and a data acquisition and control system; water vapor rising by evaporation of sewage at normal temperature, condensate water and a hydrating agent react on a refrigeration wall surface to generate hydrates, continuous evaporation of the sewage is promoted, crystals are scraped to a lower collecting area by a scraper after being generated, and the hydrates are decomposed into fresh water to realize sewage treatment. The invention provides a method for treating complex wastewater containing various pollutants at the same time, water vapor is consumed to generate hydrate to promote sewage evaporation, and the obtained decomposed water does not contain pollutants theoretically. The sewage treatment method provided by the invention has the characteristics of simplicity in operation, low energy consumption and high efficiency, and the energy consumption of sewage treatment is effectively reduced; meanwhile, the gas hydrating agent is recycled, the sewage treatment cost is reduced, and the economic and environment-friendly benefits are improved.

Description

technical field [0001] The invention belongs to the field of sewage treatment, and in particular relates to a sewage treatment method and device based on a hydrate water vapor adsorption method. Background technique [0002] In recent years, with the rapid development of the economy and the acceleration of the industrialization process, the amount of sewage discharge has continued to increase, and sewage discharge has become an important obstacle to the construction of ecological civilization in my country. The average annual sewage discharge in my country reaches 70 billion tons, of which the average annual discharge of industrial sewage exceeds 20 billion tons, accounting for about 30% of the total sewage discharge. Industrial sewage has the characteristics of high pollution and difficult treatment, and is rich in various pollutants such as inorganic heavy metals, organic phenols, light hydrocarbons, etc., which greatly increases the difficulty of sewage treatment. The di...

Claims

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Application Information

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IPC IPC(8): C02F1/04
CPCC02F1/048Y02W10/37C02F2209/02C02F2209/03C02F2103/16C02F2101/20C02F1/10C02F1/22C02F2209/005B01D9/0013B01D9/0031B01D9/005B01D9/0059B01D9/0063B01D1/223B01D5/0015B01D5/0051B01D5/006B01D1/30B01D5/0006
Inventor 宋永臣孙汇莲张伦祥赵佳飞孙灵杰凌铮杨磊刘瑜刘卫国李洋辉孙翔蒋兰兰
Owner DALIAN UNIV OF TECH
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